How many moles of Co(NH3)6CI3 were present in the sample?

Q: How many total atoms are in 0.610 g of P2O5?

A: Given,Mass of P2O5 = 0.610 gMoles of P2O5 can be calculated as:

Q: How many atoms there in 5 molecules of hydrogen peroxide, H2O2?

A: Given, 5 Molecules of H2O2  One mole of any substance contains 6.023*1023 atoms/ions/molecules.

Q: . How many oxygen atoms are in 76.3 g N2O4? Conversion must be set-up in one step using dimensional…

A:

Q: When 6.65 g of the hydrate NiSO4 • xH2O was heated in a vacuum, the water was driven off and 3.67 g…

A: NiSO4 . xH2O is a hydrated form of nickel Sulphate and the water involved is called water of…

Q: What is the mass, in grams, of 9.55×1024 molecules9.55×1024 molecules of methanol (CH3OH)?

A:

Q: How many grams of barium cyanide, Ba(CN)2, are present in 3.56 moles of this compound?.

A: barium cyanide = Ba(CN)2 moles of barium cyanide = 3.56  Moles = given mass / molar mass

Q: Calculate the number of atoms of glucose in 2.116 x 10-3 grams of glucose, C6H12O6. Hint: molar…

A: Given that, Grams of glucose in 2.116 x 10-3 g The molar mass of glucose (C6H12O6) as follows --- =…

Q: How many moles are in 3.41 x 1024 molecules of CaCO3?

A: A mole contains 6.022×1023 atoms or molecules or particles. This number, 6.022×1023 is called the…

Q: The mass of 5.20 moles of glucose, C6H12O6 is

A:

Q: Starting with the following equation, Fe₃O₄(s) + CO(g) → Fe(l) + CO₂(g) calculate the mass in grams…

A: Weight of Fe = 575 gm

Q: What is the mass percent of iron in iron(II) oxalate, FeC2O4?

A: From the molecular formula we can get the molar mass from there we can get the weight of the…

Q: Calculate the mass (in g) of 1.2 x 1024 atoms of molybdenum, Mo.

A: using mole concept , easily determination of atoms , molecules and ions possible.

Q: Which element comprising Ma(OH)2 has the highest percentage by mass?

A: The compound given is Mg(OH)2. Assuming 1 mole of Mg(OH)2.

Q: What mass of water is contained in a 5.398_g sample of Na22CO3.10H2O?

A: The mass of the sample is 5.398 g.The molar mass of Na2CO3.10H2O is 286 g/mol.The mass of water in…

Q: Write the empirical formula corresponding to Al₂Br₆

A: The empirical formula of a chemical compound is the simplest positive integer ratio of atoms present…

Q: what is the molar mass of Ca3(PO4)2?

A: The molar mass of the compound can be calculated by the addition of the atomic mass of constituent…

Q: What is the mass percentage of O in C3H8O2?

A:

Q: Is C6H12O6+ 9O2→ 6CO2+ 6H2O balanced?

A: A balanced chemical equation is that in which all the reactants and products are written with their…

Q: How do i Calculate the mass, in grams, of 422 atoms of potassium, K (1 mol of K has a mass of 39.10…

A: 1 Mole of any substance contain 6.023 x 1023 entities  (entities = atoms/ions/molecule) 1 mole of…

Q: How many atoms of hydrogen are in 132 g of (NH4)2HPO4?

A: Given: 132g of (NH4)2HPO4 The given grams of (NH4)2HPO4 is converted into moles as follows,

Q: A sample of 7.2 moles of the ionic compound, potassium dichromate, K2Cr2O7, is present. How many K+…

A: Applying concept of avogadro number. 1 mole = 6.022× 1023 atom/ molecules/ ions

Q: If the decomposition of a sample of KCIO3 produces 3.29 O2 what was the mass (g) of the original…

A: The decomposition of KClO3 in presence of heat give product KCl and O2. Hence,the chemical reaction…

Q: How many atoms in 4.93  mol O2?

A: One molecule of O2 contains two oxygen atoms. According to the Avogadro concept, we know that one…

Q: What is the mass, in grams, of 1.40×1021 molecules of aspirin, C9H8O4

A: The number of constituent particles or atoms present in one mole of a substance is known as Avogadro…

Q: Calculate the mass (in kilograms) of chlorine in 25 kg of chlorofluorocarbon (CFC). CF2Cl2

A:

Q: How many grams of diazine (N2H2) are there in 1.351.35 mol of the compound?

A: Given:Number of moles = 1.35 molesMolar mass of diazine = 30.02928 g/mol.

Q: Which is the correct mass percentage of hydrogen in acetamide, C₂H₅NO?

A:

Q: How many moles are present in 258.6 grams of magnesium oxalate, MGC204?

A: Given: The mass of magnesium oxalate =258.6 g   Molar mass of magnesium oxalate = 112.32 g/mole   No…

Q: 2) What is the mass of 5.13 moles of Na2Cr2O7?

A: Solution First, we need to find out the molar mass of Na2Cr2O7 The molar mass of = (Number of atoms…

Q: What mass in grams of TNT can be made from 598 g C7H8?

A:

Q: How many moles of Fe2O3 are in 163 g of the compound?

A: Given - mass of Fe2O3 = 163 g To find - moles of Fe2O3 Formula -

Q: What is the molar mass of Mg3(PO4)2, a substance formerly used in medicine as an antacid?

A: Molar mass of Mg3(PO4)2 is calculated as,

Q: What is the mass of 2.00 moles of CS2?

A: Molar mass of CS2  = 76.14 g /mol 1 mol CS2 = 76.14 g

Q: What is the mass of 0.25 moles of (NH4)2SO4?

A: Mole in chemistry, is a standard scientific unit for measuring large quantities of very small…

Q: How many grams of Fe2O3 are there in 0.500 mole of Fe2O3?

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: How many nitrogen atoms are in 12.3g of Ca(NO3)2 ?

A: Here, we have to find the number of nitrogen atoms in 12.3 g of Ca(NO3)2.

Q: How many moles of Sodium thiosulfate, Na2S2O3, are present in 31.7 g of Sodium thiosulfate?

A: A numerical problem based on mole concept that is to be accomplished.

Q: What is the empirical formula for C4H10O2? O C₂H5O O CH,O O C₂H4O O CHO2 O CHO

A: Given that, C4H10O2 Change into empirical formula ?

Q: What is the mass (in g) of 3.47 moles of Mg(OH)2?

A: Given the moles of Mg(OH)2 = 3.47 mol In order to find mass, we have to calculated the molar mass of…

Q: What is the % by mass of Nitrogen (N) in (NH4)3PO3

A: Mass percentage tells about the mass percentage  of that element present in the given Compound. Or…

Q: What amount (mol) of Rb is present in a sample containing 3.15×1025 atoms?

A: Given,Number of atoms in a sample = 3.15 × 1025 atomsWe know that, 6.022 × 1023 atoms are in 1 mole…

Q: What

A: Given, The molecules of N2O = 1.37 x 1017 The mass of nitrogen atom has to be calculated.

Q: How many grams of HC2H3O2 are there in 3.6 moles of HC2H3O2?

A: The Mass (in grams) of HC2H3O2 in 3.6 moles of HC2H3O2 is to be calculated.

Q: Calculate the mass (in kilograms) of chlorine in 25 kg of chlorofluorocarbon (CFC). CFCl3

A: Formula-Stoichimetry :  From the formula of a molecule Stoichimetric amount of molecule will react…

Q: How many grams of calcium nitrate are present in 55.2 moles of Ca(NO3)2?

A:

Q: How many iron atoms are in 5.6 mol of Fe2O3?

A:

Q: How many total atoms are in 0.550 g of P2O5?

A: Given: Molecular formula of phosphorus pentaoxide is P2O5. Mass of P2O5 =0.550 g Number of atoms in…

Q: Calculate the mass (in kilograms) of chlorine in 25 kg of chlorofluorocarbon (CFC). CF3Cl

A: The given data contains, chlorine = 25 kg.

Q: What is the mass percent of aluminum in Al(NO3)3 • 9H2O?

A: The compound given is Al(NO3)3•9H2O.

Q: Starting with the following equation, Fe₃O₄(s) + CO(g) → Fe(l) + CO₂(g) calculate the mass in grams…

A: